private Command CreateTransportCommand(Command command)
{
// addressing an enpoint?
if (_endpointID != 0)
{
// yes, so wrap command in a encapsulated multi channel command
command = MultiChannelCommand.Encapsulate(0, _endpointID, command);
}
// additional CRC16 checksum required?
if (Node.UseCrc16Checksum)
{
// yes, so wrap command in a encapsulated CRC16 endcap command
command = Crc16Command.Encapsulate(command);
}
return(command);
}
public void Crc16EncapCommandSerialize()
{
// SDS12657-12-Z-Wave-Command-Class-Specification-A-M.pdf | 4.41.1 CRC-16 Encapsulated Command
// 4.41.2 Example
// CRC - 16 Encapsulation Command Class = 0x56
// CRC - 16 Encapsulation Command = 0x01
// Basic Command Class = 0x20
// Basic Get Command = 0x02
// CRC1 = 0x4D
// CRC2 = 0x26
var command = Crc16Command.Encapsulate(new Command(CommandClass.Basic, 0x02));
var payload = command.Serialize().ToArray();
Assert.AreEqual(payload[0], (byte)CommandClass.Crc16Encap);
Assert.AreEqual(payload[1], 0x01);
Assert.AreEqual(payload[2], (byte)CommandClass.Basic);
Assert.AreEqual(payload[3], 0x02);
Assert.AreEqual(payload[4], 0x4D);
Assert.AreEqual(payload[5], 0x26);
}
public void MultiEncapDecap()
{
var crc16Command = Crc16Command.Encapsulate(MultiChannelCommand.Encapsulate(0, 1, new Command(CommandClass.Basic, 0x02)));
Assert.AreEqual(crc16Command.CommandClass, CommandClass.Crc16Encap);
Assert.AreEqual(crc16Command.CommandID, 0x01);
var multiChannelCommand = (MultiChannelCommand)crc16Command.Decapsulate();
Assert.AreEqual(multiChannelCommand.SourceEndpointID, 0);
Assert.AreEqual(multiChannelCommand.TargetEndpointID, 1);
Assert.AreEqual(multiChannelCommand.CommandClass, CommandClass.MultiChannel);
Assert.AreEqual(multiChannelCommand.CommandID, 0x0D);
var basicCommand = multiChannelCommand.Decapsulate();
Assert.AreEqual(basicCommand.CommandClass, CommandClass.Basic);
Assert.AreEqual(basicCommand.CommandID, 0x02);
var commands = Encapsulation.Flatten(crc16Command).ToArray();
Assert.AreEqual(commands.Length, 3);
crc16Command = (Crc16Command)commands[0];
Assert.AreEqual(crc16Command.CommandClass, CommandClass.Crc16Encap);
Assert.AreEqual(crc16Command.CommandID, 0x01);
multiChannelCommand = (MultiChannelCommand)commands[1];
Assert.AreEqual(multiChannelCommand.SourceEndpointID, 0);
Assert.AreEqual(multiChannelCommand.TargetEndpointID, 1);
Assert.AreEqual(multiChannelCommand.CommandClass, CommandClass.MultiChannel);
Assert.AreEqual(multiChannelCommand.CommandID, 0x0D);
basicCommand = commands[2];
Assert.AreEqual(basicCommand.CommandClass, CommandClass.Basic);
Assert.AreEqual(basicCommand.CommandID, 0x02);
}